Hand-held electrocardiogram measuring device



FIG. 1 is a front perspective view of a hand-held electrocardiogram measuring device, in accordance with our new and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof. 

CLAIM The ornamental design for a hand-held electrocardiogram measuring device, as shown and described. 